package com.atcumt.alibaba;

import java.util.Map;

public class Test100 {
    static float f = 1.0f;
    int m = 12;
    static int n = 1;
    static Map<Integer, String> map;
    public static void main(String[] args) {
        // map.put(1, "A");
        // Bean bean = new Bean();
        // System.out.println(bean.getA());
        Test100 t = new Test100();
        System.out.println(t.f);
        System.out.println(Test100.n);
        // this.n;
        // Test100.m;
    }

}
class Bean {
    private float a;

    public float getA() {
        return a;
    }
    
}
class Super {
    public Integer getLen() {
        return new Integer(4);
    }

}

// class Sub extends Super {
//     public Long getLen() {
//         return new Long(5);
//     }
//     public static void main(String[] args) {
//         Super super1 = new Super();
//         Sub sub = new Sub();
//         System.out.println(super1.getLen().toString() + "," + sub.getLen().toString());
//     }
// }

class Base {
    Base(){
        System.out.println("test");
    }
}

class Alpha extends Base {
    public static void main(String[] args) {
        new Alpha();
        new Base();
        String s = "WellcomTo";
        System.out.println(s.substring(4, 7));
    }
}


